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crates.io · #2381 most downloaded on crates.io
Define your own PhantomData
Last release 2 months ago
18 Jul 2026
Release timing varies
gaps range from 2 weeks to 11 months
Some releases are documented
notes for 10 of 24 stable releases
Nothing withdrawn
no release was ever pulled
8 years old
24 releases · first in 2018
Update to syn 3
Resolve repr_packed_without_abi clippy lint in generated code
Allow phantom as trivial field inside repr(transparent) struct ( #41 , #42 ). Previously:
One column per quarter.
error: zero-sized fields in `repr(transparent)` cannot contain `repr(C)` types
--> src/main.rs:7:24
|
7 | struct MyWrapper<T>(T, MyPhantom<T>);
| ^^^^^^^^^^^^
|
= note: this field contains `TypeParam<T>`, which is a `#[repr(C)]` type, so it is not guaranteed to be zero-sized on all targets.
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
= note: `#[deny(repr_transparent_non_zst_fields)]` (part of `#[deny(future_incompatible)]`) on by defaultSupport const generics
Documentation improvements
Mark all generated trait impls with #[automatically_derived] to exclude from required test coverage
Update proc-macro2 to fix caching issue when using a rustc-wrapper such as sccache
Support hiding re-export in the value namespace
Fix compatibility with nightly rustdoc ( #20 , #21 )
Documentation improvements
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